[  985.184224][ T9943] netdevsim netdevsim693 eni693np1: renamed from eth1
[  985.260508][ T9939] netdevsim netdevsim481 eni481np1: renamed from eth0
[  987.506120][ T9930] Could not find device with ifindex 2000 in netnsfd 11
[  987.507216][ T9930] Could not find netns with fd: 2000
[  987.508026][ T9930] Cannot link a netdevsim to itself
[  987.509073][ T9930] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).